Elements of the Precision of Measurements And Graphical Methods
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To quickly assess the difficulty of the text, read a short excerpt:
d = 1. 002 mm. Correct to 0. 2% 90 PROBLEMS (a) Compute the average deviation and the percentage de- viation of q.
(b) Compute the deviation of a.
(c) Compute E, using proper number of significant figures.
(d) Compute resultant percentage error of E.
(e) Are any of the above dat^ more precise than necessary and why ?
40. (a) If it is desired to determine E for the above sample of wire to 0. 5 per cent. , how precisely should the compo- nents a and q be measured, assuming that the deviations in ...I and w can be made negligible?
(b) How precisely must d be measured to fulfil this condi- tion?
(c) How precisely must Wi and m be measured?
(d) Do you think this degree of precision could be readily attained, and why?
41. It is desired to determine the focal length of a plano- convex lens from spherometer measurements, n 1. 5 ap- proximately.
. 1 (a) If F is desired to 0. 1 per cent. , how precisely must n and R be determined?
(b) If preliminary measurements give r = 40 mm. And h = 4 mm. , approximately, how precisely should r and h be determined to fulfil condition a?
What to read after Elements of the Precision of Measurements And Graphical Methods?
You can find similar books in the "Read Also" column, or choose other free books by Harry Manly Goodwin to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
d = 1. 002 mm. Correct to 0. 2% 90 PROBLEMS (a) Compute the average deviation and the percentage de- viation of q.
(b) Compute the deviation of a.
(c) Compute E, using proper number of significant figures.
(d) Compute resultant percentage error of E.
(e) Are any of the above dat^ more precise than necessary and why ?
40. (a) If it is desired to determine E for the above sample of wire to 0. 5 per cent. , how precisely should the compo- nents a and q be measured, assuming that the deviations in ...I and w can be made negligible?
(b) How precisely must d be measured to fulfil this condi- tion?
(c) How precisely must Wi and m be measured?
(d) Do you think this degree of precision could be readily attained, and why?
41. It is desired to determine the focal length of a plano- convex lens from spherometer measurements, n 1. 5 ap- proximately.
. 1 (a) If F is desired to 0. 1 per cent. , how precisely must n and R be determined?
(b) If preliminary measurements give r = 40 mm. And h = 4 mm. , approximately, how precisely should r and h be determined to fulfil condition a?
What to read after Elements of the Precision of Measurements And Graphical Methods?
You can find similar books in the "Read Also" column, or choose other free books by Harry Manly Goodwin to read onlineMoreLess
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